16666040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21929}}^1$

素因数の和:21959

約数の個数: 32

約数和(自身を含む): 39474000

約数和(自身を除く): 22807960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 21929, 43858, 87716, 109645, 175432, 219290, 416651, 438580, 833302, 877160, 1666604, 2083255, 3333208, 4166510, 8333020, 16666040]

約数ペア:

[(1, 16666040), (2, 8333020), (4, 4166510), (5, 3333208), (8, 2083255), (10, 1666604), (19, 877160), (20, 833302), (38, 438580), (40, 416651), (76, 219290), (95, 175432), (152, 109645), (190, 87716), (380, 43858), (760, 21929)]